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70 lines
1.6 KiB
70 lines
1.6 KiB
// RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-macosx10.9.0 -verify -Wsentinel -std=c++11 %s
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ptrdiff_t p0; // expected-error{{unknown}}
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size_t s0; // expected-error{{unknown}}
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void* v0 = NULL; // expected-error{{undeclared}}
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wint_t w0; // expected-error{{unknown}}
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max_align_t m0; // expected-error{{unknown}}
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#define __need_ptrdiff_t
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#include <stddef.h>
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ptrdiff_t p1;
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size_t s1; // expected-error{{unknown}}
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void* v1 = NULL; // expected-error{{undeclared}}
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wint_t w1; // expected-error{{unknown}}
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max_align_t m1; // expected-error{{unknown}}
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#define __need_size_t
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#include <stddef.h>
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ptrdiff_t p2;
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size_t s2;
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void* v2 = NULL; // expected-error{{undeclared}}
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wint_t w2; // expected-error{{unknown}}
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max_align_t m2; // expected-error{{unknown}}
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#define __need_NULL
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#include <stddef.h>
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ptrdiff_t p3;
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size_t s3;
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void* v3 = NULL;
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wint_t w3; // expected-error{{unknown}}
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max_align_t m3; // expected-error{{unknown}}
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// Shouldn't bring in wint_t by default:
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#include <stddef.h>
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ptrdiff_t p4;
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size_t s4;
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void* v4 = NULL;
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wint_t w4; // expected-error{{unknown}}
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max_align_t m4;
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#define __need_wint_t
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#include <stddef.h>
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ptrdiff_t p5;
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size_t s5;
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void* v5 = NULL;
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wint_t w5;
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max_align_t m5;
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// linux/stddef.h does something like this for cpp files:
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#undef NULL
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#define NULL 0
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// glibc (and other) headers then define __need_NULL and rely on stddef.h
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// to redefine NULL to the correct value again.
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#define __need_NULL
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#include <stddef.h>
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// gtk headers then use __attribute__((sentinel)), which doesn't work if NULL
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// is 0.
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void f(const char* c, ...) __attribute__((sentinel));
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void g() {
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f("", NULL); // Shouldn't warn.
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}
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